CN105628397B - A kind of protector and means of defence for being used to protect dynamic impulsion equipment - Google Patents
A kind of protector and means of defence for being used to protect dynamic impulsion equipment Download PDFInfo
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- CN105628397B CN105628397B CN201610076929.1A CN201610076929A CN105628397B CN 105628397 B CN105628397 B CN 105628397B CN 201610076929 A CN201610076929 A CN 201610076929A CN 105628397 B CN105628397 B CN 105628397B
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- Prior art keywords
- protection network
- protector
- wind spring
- fixed support
- impact
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/0078—Shock-testing of vehicles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
Abstract
The invention provides a kind of protector and means of defence for being used to protect dynamic impulsion equipment, including fixed support, closing system and control system；The fixed support is provided with upper end protection network and lower end protection network in upper and lower end, and the upper end protection network and lower end protection network are by rotating shaft cigarette in fixed support upper and lower end；The closing system includes connecting and controls upper end protection network and its upper end wind spring of rotating shaft, and connects and control lower end protection network and its lower end wind spring of rotating shaft, the upper end wind spring, lower end wind spring and fixed support junction are respectively equipped with relieving mechanism；The relieving mechanism connects the control system；The fixed support bottom is provided with stepper motor, rotating shaft described in the motor connection；Photoelectric tube is additionally provided with the fixed support, the photoelectric tube connects the control system.The present invention can stop that impact block continues to move to impact device, so as to effectively protect impact device, avoid impact device from being damaged during impact block bounce-back.
Description
Technical field
The invention belongs to field of automobile safety, more particularly, to a kind of protector for being used to protect dynamic impulsion equipment and
Means of defence.
Background technology
In vehicle impact testing, the related components such as air bag, steering wheel and vehicle door interior trim etc. of automotive safety are right
Occupant plays important protective effect.In order to preferably play the effect of each parts, it is necessary to understand these parts in detail
Parameter and performance, it is especially desirable to understand correlated performance of these parts under dynamic impulsion operating mode, so as to actual response this
A little response conditions of the parts under dynamic impulsion operating mode.Therefore, the dynamic impact test of parts, should in passive security field
With very extensive.
In the dynamic impact test of parts, it will usually an impact block is placed on impact device, for simulating people
The some positions of body, as upper half of human body impacts module, three positions of head, neck, chest of human body can be simulated.Impact block is impacting
Under the driving of equipment, certain speed can be produced, then free flight (parabola operation form is presented), contacts with parts.
If the rigidity of parts is larger, impact block quickly can rebound, and be collided with the impact bar of impact device,
Damage impact device.In the dynamic impact test of reality, due to being limited by test site and technical requirements etc., it is difficult to prolong
The distance between long impact block and tested parts, therefore, hit after frequently encountering impact block bounce-back with impact device impact bar
Situation about hitting, causes serious harm to impact device.
The content of the invention
In view of this, the present invention is directed to propose a kind of protector for being used to protect dynamic impulsion equipment, is being rushed with realizing
Hit during block bounce-back, stop that impact block continues to move to impact device, avoid impact device from being damaged, so as to effectively protect
Impact device.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
A kind of protector for being used to protect dynamic impulsion equipment, including fixed support, the pass on fixed support
Close system, the control system for controlling closing system；
The fixed support is provided with upper end protection network and lower end protection network, the upper end protection network and lower end in upper and lower end
Protection network is by rotating shaft cigarette in fixed support upper and lower end；
The closing system includes connecting and controls upper end protection network and its upper end wind spring of rotating shaft, and connects and control down
Protection network and its lower end wind spring of rotating shaft are held, the upper end wind spring, lower end wind spring and fixed support junction are respectively equipped with release
Mechanism；The relieving mechanism connects the control system, for discharging protection network；The fixed support bottom is provided with stepping electricity
Machine, rotating shaft described in the motor connection；Photoelectric tube, the photoelectric tube connection control system are additionally provided with the fixed support
System, for providing trigger signal so that relieving mechanism discharges protection network.
Further, the control system includes PLC.
Further, the support middle position is provided with rubber blanket, for reducing upper end protection network and lower end protection network
Collision energy.
Further, the frame bottom is provided with rail plate.
Further, the relieving mechanism includes electromagnetic mechanism, is fixed on upper end wind spring and lower end wind spring by magnetic force
Upper and lower end.
Further, it is additionally provided with safety lock at the relieving mechanism.
Relative to prior art, a kind of protector for protecting dynamic impulsion equipment of the present invention has following
Advantage：
(1) present invention can effectively stop that impact block continues to move to impact device, so as to effectively protect impact device, keep away
Exempt from impact device to be damaged；
(2) accumulating mechanism in the present invention is wind spring pattern, simple and reliable for structure, reusable, and safety and environmental protection,
The problems such as greasy dirt will not be caused；
(3) present invention triggers pattern using photoelectric tube, in order to increase stability, has used four photoelectric tubes, reliable and stable,
Avoid that false triggering occurs；
(4) present invention closes protection network to intermediate region motion mode simultaneously using upper end protection network and lower end protection network,
Closing velocity is fast；
(5) present invention is using the reset of step motor control upper end protection network and lower end protection network, accurate and effective.Can
The trouble of manual reset is saved, according to the design needs with the size of impact block, can also be adjusted by stepper motor in protection network
Between region height, to improve the closing velocity of protection network；
(6) invention increases rail plate, you can suitably to adjust protection network to the distance of tests exemplar, so as to effective
Impact device is protected, can be moved protection network equipment when installing impact block again, avoids the peace of protection network interference impact block
Dress.
The another object of the invention is to propose to be used to protect the protector of dynamic impulsion equipment to enter using a kind of
The method of row protection, to realize during impact block bounce-back, stop that impact block continues to move to impact device, avoid impact from setting
It is standby to be damaged, so as to effectively protect impact device.
To reach above-mentioned purpose, what the technical scheme of the invention was realized in：
Using a kind of method for protecting the protector of dynamic impulsion equipment to be protected, following step is specifically included
Suddenly：
(1) protector is arranged between impact device and tests exemplar, close impact device one end, impact device
Impact block is installed on impact bar；
(2) protector position is adjusted, is switched on power to safeguard；
(3) by stepper motor, upper end protection network and lower end protection network are resetted, at this moment at upper end wind spring and lower end wind spring
In energy accumulating state, trigger signal is waited；
(4) impact device triggers, and impact block is with certain speed by protection network, and now photoelectric tube sends trigger signal；
(5) control system receives trigger signal, sends release signal to relieving mechanism, relieving mechanism release protection network；
(6) protection network quick closedown, hinder to move to impact device during impact block bounce-back；
(7) after the completion of testing, protective net apparatus power supply is closed.
It is described to be used to protect the method that the protector of dynamic impulsion equipment protects to be used to protect with above-mentioned one kind using a kind of
It is same relative to Dominant Facies possessed by prior art to protect the protector of dynamic impulsion equipment, will not be repeated here.
Brief description of the drawings
The accompanying drawing for forming the part of the present invention is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is a kind of structural representation for being used to protect the protector of dynamic impulsion equipment described in the embodiment of the present invention
Figure；
Fig. 2 is the structural representation of the closing system described in the embodiment of the present invention；
Fig. 3 is the impact test schematic diagram described in the embodiment of the present invention.
Description of reference numerals：
1- fixed supports；2- closes system；3- control systems；4- experimental rigs；11- upper ends protection network；12- lower ends are protected
Net；21- upper ends wind spring；22- lower ends wind spring；23- relieving mechanisms；24- photoelectric tubes；25- stepper motors；26- rubber blankets；27- is slided
Dynamic guide rail；28- rotating shafts；41- fixture bearing diagonals；42- fixture backboards；43- steering wheels；44- impact blocks；The impacts of 45- in-flight
Block；46- impact bars；47- impact devices；48- iron floor.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than instruction or dark
Show that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, thus it is it is not intended that right
The limitation of the present invention.In addition, term " first ", " second " etc. are only used for describing purpose, and it is not intended that instruction or hint phase
To importance or the implicit quantity for indicating indicated technical characteristic.Thus, the feature for defining " first ", " second " etc. can
To express or implicitly include one or more this feature.In the description of the invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As shown in figure 1, fixed support 1 mainly includes metallic support, metallic plate and protection network etc., protection network is prevented including upper end
Protecting wire net 11 and lower end protection network 12, fixed support 1 are provided with upper end protection network 11 and lower end protection network 12 in upper and lower end, and upper end is prevented
Protecting wire net 11 and lower end protection network 12 are by the cigarette of rotating shaft 28 in the upper and lower end of fixed support 1；Fixed support 1 is mainly used to fix pass
System 2 is closed, whole protector is fixed on iron floor 48, it is ensured that protector is stable and firm.Meanwhile impact block 44 with
After safeguard hits, preferably buffering and barrier effect are played；
As shown in Fig. 2 the closing system 2 includes connecting and controls upper end protection network 11 and its upper end wind spring of rotating shaft 28
21, and connect and control lower end protection network 12 and its lower end wind spring 22 of rotating shaft 28, the upper end wind spring 21, lower end wind spring 22 with
The junction of fixed support 1 is respectively equipped with relieving mechanism 23；The relieving mechanism 23 connects the control system 3, anti-for discharging
Protecting wire net；The bottom of fixed support 1 is provided with stepper motor 25, and the stepper motor 25 connects the rotating shaft 28；The fixed branch
Photoelectric tube 24 is additionally provided with frame 1, the photoelectric tube 24 connects the control system 3, for providing trigger signal；
Upper end wind spring 21 and lower end wind spring 22 before releasing, in compressive state, for stored energy, ensure that protection network exists
Before release, there is larger interior energy.During release, upper end wind spring 21 promotes the sharp downward movement of upper end protection network 11, lower end wind spring
22 promote the fast upward motion of lower end protection network 12, and this makes it possible at a very rapid rate, protection is returned in impact block 44
Before net, protection network is closed rapidly, stops that impact block 44 continues to move to impact device 47.
Photoelectric tube 24 is used to provide flop signal.When not having the object to pass through protection network, photoelectric tube 24 is in channel status
“1”；When there is object to pass through protection network, photoelectric tube 24 is in off state " 0 ", at this moment sends a trigger signal, is delivered to
Control system 3.Control system 3 (is such as delayed) by certain processing, gives the signal of relieving mechanism 23, the release protection of relieving mechanism 23
Net.Protection network, rapidly to intermediary movements, closes protection network under the promotion of upper end wind spring 21 and lower end wind spring 22；
Stepper motor 25 is used to reset upper end protection network 11 and lower end protection network 12.After protection network discharges, in being in
Between state.In next time before use, needing upper end protection network 11 returning to upper end initial position, lower end protection network 12 returns to down
The initial position at end.Stepper motor 25 is connected in the rotating shaft 28 of upper end protection network 11, lower end protection network 12, controls rotating shaft 28
Motion, initial position or setting position are accurately withdrawn into by upper end protection network 11 and lower end protection network 12.
Relieving mechanism 23 is used to fix and discharge protection network., can effective fixed protection net before protection network release.Controlling
, can be with quick release protection network after system 3 processed sends release signal.For the sake of security, safety is increased in relieving mechanism 23
Lock.Relieving mechanism 23 includes electromagnetic mechanism, and when control system 3 does not send flop signal, electromagnetic block is in "on" position,
Now, upper end protection network 11 is securely seated between upper end, lower end protection network 12 is firmly consolidated by relieving mechanism 23 by magnetic force
Lower end is scheduled on, upper end wind spring 21 and lower end wind spring 22 are all in compressive state.When control system 3 sends flop signal, electricity
Magnetic patch is in off-position, and now relieving mechanism 23 does not have magnetic force, and upper end protection network 11 and lower end protection network 12 are due in spring
Can, gather to centre rapidly, close protection network.
Control system 3 is mainly used in controlling closing system 2, and control closing system 2 discharges protection network, reset, delay etc.；It
Including receiving terminal, PLC circuit and output end.Receiving terminal is used for receiving the trigger signal that photoelectric tube 24 transmits；PLC circuit be used for into
Row logic judgment, delay etc. handle computing；Output end is used for output signal, passes to relieving mechanism 23.
The middle position of fixed support 1 is provided with rubber blanket 26, and rubber blanket 26 is used to protect upper end protection network 11 and lower end to prevent
Protecting wire net 12.Due to upper end protection network 11 and lower end protection network 12 when closed, speed is very fast, is collided in intermediate region,
Larger infringement is caused to upper end protection network 11 and lower end protection network 12, is simultaneously emitted by larger sound.Increase rubber blanket 26, can
With effective energy-absorbing, reduce the collision energy of upper end protection network 11 and lower end protection network 12, while eliminate the sound that collision is sent.
The bottom of fixed support 1 is provided with rail plate 27, and rail plate 27 is used to move whole protective net apparatus, on the one hand,
Can be according to the impact velocity of impact block 44, the appropriate protection network that adjusts is to the distance of tests exemplar, effectively to protect impact to set
Standby 47；On the other hand,, can be with order to avoid protection network interference impact block is installed on impact device 47 when installing impact block
Protection network entirety is moved to impact device 47, impact bar 46 is exposed, facilitates the installation of impact block 44.Complete impact block
After 44 installation, then protection network equipment is overall to the movement of tests exemplar direction, it is adjusted to suitable position.
It is illustrated in figure 3 the impact test schematic diagram of the present invention, including fixture bearing diagonal 41, fixture backboard 42, steering wheel
43rd, impact block 44, impact block 45 in-flight, impact bar 46, impact main body 47, iron floor 48；
Using a kind of method for protecting the protector of dynamic impulsion equipment to protect, specifically comprise the following steps：
(1) protector is arranged between impact device 47 and tests exemplar, close to the one end of impact device 47；
(2) it is protector is overall to the movement of the direction of impact device 47, the impact bar 46 of impact device 47 is exposed；
(3) impact block 44 is installed on impact bar 46；
(4) it is protector is overall to the movement of experimental prototype direction, correct position is moved to, then by protection network and metal
Support is fixed, and avoids protection network from being moved on rail plate 27；
(5) protector equipment power-on is given；
(6) by stepper motor 25, upper end protection network 11 and lower end protection network 12 are resetted, at this moment upper end wind spring 21 is with
End wind spring 22 is in energy accumulating state, waits trigger signal；
(7) safety lock is fixed at relieving mechanism 23, avoids the false triggering of relieving mechanism 23 before testing；
(8) wait impact test ready, then open the safety lock at relieving mechanism 23；
(9) impact device 47 triggers, and for impact block 44 with certain speed by protection network, now photoelectric tube 24, which is sent, triggers letter
Number；
(10) control system 3 receives trigger signal, and it is anti-to relieving mechanism 23, the release of relieving mechanism 23 to send release signal
Protecting wire net；
(11) protection network quick closedown, hinder to move to impact device 47 during impact block bounce-back；
(12) repeat the above steps 2-8 steps, is tested next time；
(13) after the completion of testing, protector power supply is closed.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (7)
- A kind of 1. protector for being used to protect dynamic impulsion equipment, it is characterised in that：Including fixed support, installed in fixed branch Closing system on frame, the control system for controlling closing system；The fixed support is provided with upper end protection network and lower end protection network, the upper end protection network and lower end protection in upper and lower end Rotating shaft cigarette is crossed in fixed support upper and lower end by Netcom；The closing system includes connecting and controls upper end protection network and its upper end wind spring of rotating shaft, and connects and control lower end to prevent Protecting wire net and its lower end wind spring of rotating shaft, the upper end wind spring, lower end wind spring and fixed support junction are respectively equipped with relieving mechanism； The relieving mechanism connects the control system, for discharging protection network；The fixed support bottom is provided with stepper motor, described Rotating shaft described in motor connection；Photoelectric tube is additionally provided with the fixed support, the photoelectric tube connects the control system, for carrying For trigger signal so that relieving mechanism discharges protection network.
- A kind of 2. protector for being used to protect dynamic impulsion equipment according to claim 1, it is characterised in that：The control System processed includes PLC.
- A kind of 3. protector for being used to protect dynamic impulsion equipment according to claim 1, it is characterised in that：The branch Frame middle position is provided with rubber blanket, for reducing the collision energy of upper end protection network and lower end protection network.
- A kind of 4. protector for being used to protect dynamic impulsion equipment according to claim 1, it is characterised in that：The branch Frame bottom is provided with rail plate.
- A kind of 5. protector for being used to protect dynamic impulsion equipment according to claim 1, it is characterised in that：It is described to release Laying mechanism includes electromagnetic mechanism, and upper end wind spring and lower end wind spring are fixed on into upper and lower end by magnetic force.
- A kind of 6. protector for being used to protect dynamic impulsion equipment according to claim 1, it is characterised in that：It is described to release Safety lock is additionally provided with laying mechanism.
- 7. using a kind of method for protecting the protector of dynamic impulsion equipment to be protected described in claim 1, its It is characterised by：Specifically comprise the following steps：(1) protector is arranged between impact device and tests exemplar, close to impact device one end, the impact of impact device Impact block is installed on bar；(2) protector position is adjusted, is switched on power to safeguard；(3) by stepper motor, upper end protection network and lower end protection network are resetted, at this moment upper end wind spring and lower end wind spring, which are in, stores Energy state, waits trigger signal；(4) impact device triggers, and impact block is with certain speed by protection network, and now photoelectric tube sends trigger signal；(5) control system receives trigger signal, sends release signal to relieving mechanism, relieving mechanism release protection network；(6) protection network quick closedown, hinder to move to impact device during impact block bounce-back；(7) after the completion of testing, protective net apparatus power supply is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610076929.1A CN105628397B (en) | 2016-02-03 | 2016-02-03 | A kind of protector and means of defence for being used to protect dynamic impulsion equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610076929.1A CN105628397B (en) | 2016-02-03 | 2016-02-03 | A kind of protector and means of defence for being used to protect dynamic impulsion equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105628397A CN105628397A (en) | 2016-06-01 |
| CN105628397B true CN105628397B (en) | 2017-11-21 |
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| CN201610076929.1A Active CN105628397B (en) | 2016-02-03 | 2016-02-03 | A kind of protector and means of defence for being used to protect dynamic impulsion equipment |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107917790A (en) * | 2016-10-10 | 2018-04-17 | 长城汽车股份有限公司 | Sample springs back protective device |
| CN106546403A (en) * | 2016-10-18 | 2017-03-29 | 浙江吉利控股集团有限公司 | A kind of flexible leg tests protection device |
| CN110160743A (en) * | 2019-05-20 | 2019-08-23 | 北京机电工程研究所 | Aircraft water pool model high-speed test (HST) arresting gear and method for arresting |
| CN110243566B (en) * | 2019-07-10 | 2021-05-18 | Oppo（重庆）智能科技有限公司 | Protection component, drop test device and mobile phone drop test device |
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Inventor after: Xie Shugang Inventor after: Hou Yanjun Inventor after: Li Hongyun Inventor after: Fang Rui Inventor after: Cui Dong Inventor after: Lu Shuang Inventor after: Meng Xianming Inventor after: Han Feifei Inventor after: Song Pan Inventor after: Zhang Yajun Inventor before: Xie Shugang Inventor before: Li Hongyun Inventor before: Sheng Lichun Inventor before: Zeng Biqiang Inventor before: Fang Rui Inventor before: Cui Dong Inventor before: Qiao Shenghua Inventor before: Lu Shuang |
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Address after: 300000 Tianlin road junction, Cheng Lin Zhuang Road, Dongli District, Tianjin (south of Cheng Lin Zhuang Road) Patentee after: CHINA AUTOMOTIVE TECHNOLOGY AND RESEARCH CENTER Co.,Ltd. Address before: 300000 Tianlin road junction, Cheng Lin Zhuang Road, Dongli District, Tianjin (south of Cheng Lin Zhuang Road) Patentee before: CHINA AUTOMOTIVE TECHNOLOGY & RESEARCH CENTER |
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Effective date of registration: 20181106 Address after: 300457 Tianjin Binhai New Area Tianjin Development Zone Second Avenue 62 TEDA MSD-B1-1907 Patentee after: CATARC (TIANJIN) AUTOMOTIVE ENGINEERING RESEARCH INSTITUTE Co.,Ltd. Address before: 300000 Tianlin road junction, Cheng Lin Zhuang Road, Dongli District, Tianjin (south of Cheng Lin Zhuang Road) Patentee before: CHINA AUTOMOTIVE TECHNOLOGY AND RESEARCH CENTER Co.,Ltd. |